CVE-2020-12267

setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 63%
VendorProductVersion
qtqt
5.14.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
qtbase-opensource-src
bullseye
5.15.2+dfsg-9+deb11u1
fixed
bookworm
5.15.8+dfsg-11+deb12u2
fixed
trixie
5.15.13+dfsg-4
fixed
sid
5.15.15+dfsg-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
qt4-x11
focal
dne
eoan
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
qtbase-opensource-src
focal
not-affected
eoan
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
Common Weakness Enumeration
References
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20450
https://codereview.qt-project.org/c/qt/qtbase/+/291706
https://security.gentoo.org/glsa/202007-38
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20450
https://codereview.qt-project.org/c/qt/qtbase/+/291706
https://security.gentoo.org/glsa/202007-38